CAS: 63421-69-2

4-(4'-Methoxybenzenesulfonylamino)benzoic acid is a white crystalline solid. It has a melting point of 137-138 °C and a pKa of 6.5. The compound can be dissolved in acetic acid, chloroform, methanol, or ethanol. 4-(4'-Methoxybenzenesulfonylamino)benzoic acid is used in the synthesis of heterocyclic compounds and pharmaceuticals. It is also used to study the effects of molecular orientation on hydrogen bonding and stacking interactions with other molecules.